HP LaserJet 3055 - Manual (Page 335)

Automatic two-sided printing (duplexing) path (HP LaserJet
3390/3392 all-in-one)
To clear a jam in the automatic two-sided path, perform the following steps:
CAUTION Do not use sharp objects, such as tweezers or needle-nose pliers, to remove
jams. Damage caused by sharp objects will not be covered by the warranty.
When removing jammed media, pull the jammed media straight away from the all-in-one.
Pulling jammed media out of the all-in-one at an angle can damage the all-in-one.
1. Open the rear output door.
2. Rotate the green pressure release levers downward.
3. Remove tray 2.
ENWW Clearing jams 317